CN223734786U - Special extracting tool of DTRO seal cover - Google Patents

Abstract

The utility model discloses a special dismounting tool for a DTRO sealing sleeve, which comprises a pull Ma Xuanbing, a pull Ma Dinggan vertically arranged in the middle of the pull Ma Xuanbing, a first pull Ma Ceban and a second pull Ma Ceban arranged below a pull Ma Xuan handle, and a positioning ring sleeved outside the first pull Ma Ceban and the second pull Ma Ceban, wherein the positioning ring is sleeved outside the first pull Ma Ceban and the second pull Ma Ceban to form a radial displacement constraint mechanism, so that the outer movement of a side plate of a device under the stress Shi Lama is avoided, and the dismounting stability and safety of the device are improved; set up roof and bottom plate through drawing Ma Xuanbing, both add a set of screw thread cooperation structure, the design of twin-screw stress reposition of redundant personnel disperses axial shear force to two sets of independent bearing units, increases device screw thread structure plastic deformation upper limit, makes device structure more stable, reduce cost when guaranteeing structural stability.

Description

Special extracting tool of DTRO seal cover

Technical Field

The utility model relates to the technical field of puller tools, in particular to a special dismounting tool for a DTRO sealing sleeve.

Background

The DTRO (disc tubular reverse osmosis) technology has an important role in high-concentration sewage treatment, and the disassembly of the sealing sleeve of the membrane column of the core component is a key link in the maintenance process. The DTRO membrane column consists of a number of precision components including membrane, diaphragm, center membrane column, pressure housing, seals (e.g., O-ring rubber gaskets) etc 311. The sealing sleeve (or sealing ring) is usually positioned in the grooves on two sides of the guide disc and used for isolating sewage and a water purifying channel to prevent mixing, and the structural design improves the separation efficiency, but also increases the disassembly complexity, so that the balance between the high-efficiency disassembly requirement and the structural precision protection is required to be ensured in the process of disassembling the sealing sleeve.

Aiming at the technical problems, the prior art discloses a drawing tool (CN 218226427U) for maintaining DTR0 as in China patent, which comprises a drawing Ma Hengliang, a central membrane column is vertically arranged below the drawing Ma Hengliang, two sides of the drawing Ma Hengliang are respectively connected with two drawing plates through rotating shafts in a rotating manner, the lower ends of the two drawing plates on the same side are respectively fixedly connected with a semicircular draw hook, one side, close to each other, of the two semicircular draw hooks is clamped in a sealing sleeve groove, and the sealing sleeve is disassembled through rotating the central membrane column. The device has the following defects that firstly, the device is clamped in a sealing sleeve groove through two semicircular draw hooks, upward force is applied to the sealing sleeve, but no transverse force exists between the two semicircular draw hooks, the risk of unhooking of the semicircular draw hooks exists, secondly, the DTRO is in a high-pressure running state for a long time, the sealing sleeve and a central membrane column are in a close fit state, so that the force required for disassembling the sealing sleeve is large, and the device can be damaged due to wire falling between a pull Ma Hengliang and a pull Ma Luogan after long-time use.

Disclosure of utility model

The utility model aims to solve the problems in the background art, and further provides a special dismounting tool for a DTRO sealing sleeve. According to the utility model, the positioning rings are sleeved outside the first pull Ma Ceban and the second pull Ma Ceban to form the radial displacement constraint mechanism, the outer moving unhooking of the side plate of the device stressed Shi Lama is avoided, the stability and safety of the disassembly of the device are improved, the top plate and the bottom plate are arranged through the pull Ma Xuanbing, a group of screw thread matching structures are additionally arranged, the axial shearing force is dispersed to two groups of independent bearing units through double-screw thread stress split design, the plastic deformation upper limit of the screw thread structure of the device is increased, the structure of the device is more stable, and the cost is reduced while the structural stability is ensured.

The technical scheme adopted for solving the technical problems is as follows:

The utility model provides a special extracting tool of DTRO seal cover, includes draws Ma Xuanbing, draw the vertical pull Ma Dinggan that sets up in the middle of Ma Xuanbing, draw Ma Ceban and second that the handle below set up draw Ma Xuan draw Ma Ceban, still include first draw Ma Ceban and second draw Ma Ceban outside cup joint the holding ring, the holding ring joint is drawn Ma Ceban and second and is drawn Ma Ceban the outside under the effect of self gravity to draw Ma Ceban and second and draw Ma Ceban to form radial displacement constraint mechanism, avoid drawing Ma Ceban to move outward, take place the unhooking risk in the device use; the pull Ma Xuan handle comprises a top plate and a bottom plate with the same diameter, a plurality of connecting sheets are connected between the top plate and the bottom plate, the consumption of materials is reduced, the cost is reduced, the dead weight of the device is reduced, the labor intensity of workers is reduced, a top plate threaded hole is arranged in the middle of the top plate, a bottom plate threaded hole is arranged in the middle of the bottom plate, two groups of hinging pieces are symmetrically arranged on the bottom plate, a through first hinging hole is arranged on the side surface of each hinging piece, the pull Ma Dinggan comprises a bolt rod, the top end of the bolt rod is connected with a bolt head, a lever fixing plate is arranged at the middle upper part of the bolt rod, a lever connecting hole is arranged in the middle of the lever fixing plate, a horizontal lever is arranged in the lever connecting hole, the horizontal lever can move in the lever connecting hole, workers can apply torque to the pull Ma Dinggan through the horizontal lever, the same tools such as a spanner can apply torque to the pull Ma Dinggan through the bolt head, the two rotation modes can simultaneously apply force to solve the problem that a sealing sleeve is too tight with a central membrane column, the bolt rod is provided with threads at the middle lower end, the bolt rod is in screw fit with the top plate, the first Ma Ceban and the second Ma Ceban are identical in structure, the second is drawn Ma Ceban and is included connecting plate and joint meniscus, the joint meniscus sets up perpendicularly in the connecting plate bottom, the connecting plate top sets up the hinge tongue, hinge tongue side sets up the second hinge hole, hinge spare and hinge tongue pass through the round pin axle cooperation and constitute the hinge assembly.

Preferably, a sleeve is fixedly arranged between the top plate and the bottom plate, the sleeve is coaxial with the top plate, the height of the sleeve is equal to the distance between the top plate and the bottom plate, a through threaded hole is formed in the middle of the sleeve, the threaded hole in the top plate, the threaded hole in the bottom plate and the bolt rod are in threaded fit, the sleeve is fixedly arranged with the top plate and the bottom plate, the length of a threaded structure between the pull Ma Xuanbing and the pull Ma Dinggan is increased, the corresponding threaded structure can bear larger force, and the durability and the structural strength of the device are improved.

As the preference, the bolt pole bottom sets up ejector pin buffer head, and when the device was used, both had pressure between hob and the central membrane post, had rotational friction again, and the load is too big can damage the central membrane post, sets up ejector pin buffer head and can effectively protect the central membrane post.

Preferably, the horizontal lever comprises a rod piece, a fixing ball fixed at one end of the rod piece and a connecting ball connected to the other end of the rod piece through threads, and the horizontal lever is detachable and installed under the condition of needs, detached when not needed and installed conveniently.

Preferably, the two ends of the clamping meniscus are provided with step sockets, the clamping meniscus is matched with the clamping meniscus below the first pull Ma Ceban to form a clamping circular ring, the inner diameter of the clamping circular ring is smaller than the diameters of the top plate and the bottom plate and larger than the outer diameter of the sealing sleeve groove, the clamping circular ring can be stably clamped in the sealing sleeve groove, the outer diameter of the clamping circular ring is larger than the inner diameter of the positioning ring, the positioning ring is prevented from being separated from the device, and the stability of the displacement constraint mechanism is ensured.

As the preference, the terminal surface that joint meniscus both ends ladder socket sets up magnet, and when the device was installed, two sets of draws Ma Ceban can be magnetically attracted and fix on the seal cover, reduces the device installation degree of difficulty, improves device installation effectiveness.

Preferably, a rubber pad is arranged on the side surface of the inner ring of the positioning ring, so that friction force between the positioning ring and the first pull Ma Ceban and the second pull Ma Ceban is increased, the positioning ring is prevented from axially displacing in the use process of the device, and the positioning ring, the first pull Ma Ceban and the second pull Ma Ceban are effectively prevented from being deformed and damaged under larger extrusion load.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the positioning rings are sleeved outside the first pull Ma Ceban and the second pull Ma Ceban to form the radial displacement constraint mechanism, the outer moving unhooking of the side plate of the device stressed Shi Lama is avoided, the stability and safety of the disassembly of the device are improved, the top plate and the bottom plate are arranged through the pull Ma Xuanbing, a group of screw thread matching structures are additionally arranged, the axial shearing force is dispersed to two groups of independent bearing units through double-screw thread stress split design, the plastic deformation upper limit of the screw thread structure of the device is increased, the structure of the device is more stable, and the cost is reduced while the structural stability is ensured.

2. The connecting sheet is arranged in the middle of the handle of the pull Ma Xuan, so that the material consumption is reduced, the cost is reduced, the dead weight of the device is reduced, and the labor intensity of workers is reduced.

3. According to the utility model, by arranging the bolt head and the horizontal lever, the device is provided with two force-generating modes, a worker can apply torque to the pull Ma Dinggan through the horizontal lever, and can apply torque to the pull Ma Dinggan through the bolt head by using tools such as a spanner, and the two simultaneous force-generating modes can be used simultaneously, so that the problem that the sealing sleeve and the central membrane column are too tight is solved.

4. According to the utility model, the sleeve is fixedly arranged between the top plate and the bottom plate, so that the length of the thread structure between the pull Ma Xuanbing and the pull Ma Dinggan is increased, the corresponding thread structure can bear larger force, and the durability and the structural strength of the device are improved.

5. According to the utility model, the ejector rod buffer head is arranged, so that when the device is used, pressure exists between the screw rod and the central membrane column, rotational friction exists, the central membrane column can be damaged due to overlarge load, and the central membrane column can be effectively protected by arranging the ejector rod buffer head.

6. The horizontal lever designed by the utility model is of a detachable structure, is installed under the condition of need, is not detached when needed, is convenient to install, and improves the flexibility of the device in use.

7. The end faces of the ladder sockets at the two ends of the clamping meniscus are provided with the magnets, and when the device is installed, two groups of pull Ma Ceban can be magnetically fixed on the sealing sleeve, so that the installation difficulty of the device is reduced, and the installation efficiency of the device is improved

8. According to the utility model, the rubber pad is arranged on the side surface of the inner ring of the positioning ring, so that the friction force between the positioning ring and the first pull Ma Ceban and the second pull Ma Ceban is increased, the positioning ring is ensured not to axially displace in the use process of the device, and the positioning ring, the first pull Ma Ceban and the second pull Ma Ceban are effectively protected from deformation damage under a larger extrusion load.

Drawings

FIG. 1 is a schematic view of the overall structure of the disclosed device;

FIG. 2 is a schematic drawing showing the structure of a pull Ma Dinggan of the disclosed apparatus;

FIG. 3 is a schematic view of the handle structure of the pull Ma Xuan of the disclosed device;

FIG. 4 is a schematic view of a second pull Ma Ceban of the disclosed apparatus;

Fig. 5 is a schematic view of a horizontal lever structure of the disclosed device.

Wherein 1, a pull Ma Dinggan, 11, a bolt head, 12, a bolt rod, 13, a lever fixing plate, 14, a push rod buffer head, 15, a lever connecting hole, 2, a pin shaft, 3, a first pull Ma Ceban, 4, a locating ring, 5, a pull Ma Xuanbing, 51, a top plate, 52, a connecting sheet, 53, a bottom plate, 54, a top plate threaded hole, 55, a bottom plate threaded hole, 56, a hinge piece, 57, a first hinge hole, 6, a second pull Ma Ceban, 61, a connecting plate, 62, a hinge tongue, 63, a second hinge hole, 64, a clamping meniscus, 65, a magnet, 7, a horizontal lever, 71, a fixing ball, 72, a rod piece, 73 and a connecting ball.

Detailed Description

It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

As shown in fig. 1-5, the special dismounting tool for the DTRO sealing sleeve comprises a pull Ma Xuan handle 5, a pull Ma Dinggan 1 vertically arranged in the middle of the pull Ma Xuan handle 5, a first pull Ma Ceban 3 and a second pull Ma Ceban 6 arranged below the pull Ma Xuan handle 5, a positioning ring 4 sleeved outside the first pull Ma Ceban and the second pull Ma Ceban 6, the positioning ring 4 is clamped outside the first pull Ma Ceban and the second pull Ma Ceban under the action of self gravity, a radial displacement constraint mechanism is formed by the positioning ring 4 and the first pull Ma Ceban and the second pull Ma Ceban 6, the unhooking risk is avoided in the using process of the device, the pull Ma Xuan handle 5 comprises a top plate 51 and a bottom plate 53 with the same diameter, a plurality of connecting pieces 52 are connected between the top plate 51 and the bottom plate 53, the using amount of materials is reduced, the cost is reduced, the intensity of workers is reduced, a top plate threaded hole 54 is arranged in the middle of the top plate 51, a bottom plate 55 is arranged in the middle of the bottom plate 53, a self weight 53 is provided, and two hinging pieces 56 are symmetrically arranged on two hinging pieces 56 and a first hinging piece 56 is arranged on the side surface of the hinging piece;

The puller mandril 1 comprises a bolt rod 12, the top end of the bolt rod 12 is connected with a bolt head 11, a lever fixing plate 13 is arranged at the middle upper part of the bolt rod 12, a lever connecting hole 15 is arranged in the middle of the lever fixing plate 13, a horizontal lever 7 is arranged in the lever connecting hole 15, the horizontal lever 7 can move in the lever connecting hole 15, a worker can apply torque to a puller Ma Dinggan 1 through the horizontal lever 7, the worker can also apply torque to a puller Ma Dinggan 1 through the bolt head 11 by utilizing tools such as a spanner, the two rotating modes can apply force simultaneously by two workers, the problem that a sealing sleeve and a central membrane column are too tight is solved, threads are arranged at the middle lower end of the bolt rod 12, and the bolt rod 12 is in spiral fit with a top plate 51 and a bottom plate 53;

the first pull Ma Ceban and the second pull Ma Ceban 6 have the same structure, the second pull Ma Ceban comprises a connecting plate 61 and a clamping meniscus 64, the clamping meniscus 64 is vertically arranged at the bottom end of the connecting plate 61, a hinge tongue 62 is arranged above the connecting plate 61, a second hinge hole 63 is arranged on the side surface of the hinge tongue 62, and the hinge piece 56 and the hinge tongue 62 are matched through a pin shaft 2 to form a hinge assembly.

As shown in fig. 1-3, a sleeve is disposed between the top plate 51 and the bottom plate 53, the sleeve and the top plate 51 are coaxial, the sleeve is equal in height to the distance between the top plate 51 and the bottom plate 53, a through threaded hole is disposed in the middle of the sleeve, the threaded hole in the middle of the sleeve, the top plate threaded hole 54, the bottom plate threaded hole 55 and the bolt rod 12 are in threaded fit, the sleeve is fixedly disposed with the top plate 51 and the bottom plate 53, the length of the threaded structure between the pull Ma Xuan handle 5 and the pull Ma Dinggan is increased, the corresponding threaded structure can bear larger force, and durability and structural strength of the device are improved.

As shown in fig. 1 and 2, the bottom of the bolt rod 12 is provided with a top rod buffer head 14, when the device is used, pressure exists between the bolt rod 12 and the central membrane column, rotational friction exists again, the central membrane column can be damaged due to overlarge load, and the top rod buffer head 14 is arranged to effectively protect the central membrane column.

As shown in fig. 1 and 5, the horizontal lever 7 includes a rod 72, and a fixing ball 71 fixed at one end of the rod 72 and a connecting ball 73 screwed at the other end of the rod 72, and by the above structure, the horizontal lever 7 is detachable, attachable in case of necessity, detachable when not necessary, and convenient to install.

As shown in fig. 1, fig. 3 and fig. 4, the two ends of the clamping meniscus 64 are provided with stepped sockets, the clamping meniscus 64 is matched with the clamping meniscus 64 below the first pull Ma Ceban to form a clamping circular ring, the inner diameter of the clamping circular ring is smaller than the diameters of the top plate 51 and the bottom plate 53 and is larger than the outer diameter of the sealing sleeve groove, the clamping circular ring can be stably clamped in the sealing sleeve groove, the outer diameter of the clamping circular ring is larger than the inner diameter of the positioning ring 4, the positioning ring 4 is ensured not to be separated from the device, and the stability of the displacement constraint mechanism is ensured.

As shown in fig. 4, the end surfaces of the stepped sockets at two ends of the clamping meniscus 64 are provided with magnets 65, and when the device is installed, two groups of pull Ma Ceban can be magnetically fixed on the sealing sleeve, so that the installation difficulty of the device is reduced, and the installation efficiency of the device is improved.

The rubber pad is arranged on the side face of the inner ring of the positioning ring 4, so that friction force between the positioning ring 4 and the first pull Ma Ceban and the second pull Ma Ceban is increased, the positioning ring 4 is guaranteed not to axially displace in the use process of the device, and the positioning ring 4, the first pull Ma Ceban and the second pull Ma Ceban are effectively protected from deformation damage under larger extrusion load.

The utility model discloses a device using method, which comprises the following steps:

1. Firstly, cleaning impurities on the surfaces of a sealing sleeve and a central membrane column, rotating a pull Ma Dinggan 1 to the upper part, taking down a positioning ring 4, and mounting the device on the sealing sleeve;

2. Sleeving the positioning ring 4 on the side surfaces of the first pull Ma Ceban and the second pull Ma Ceban from top to bottom, and manually pressing down the positioning ring 4 to ensure that the positioning ring 4 is firmly installed;

3. According to the surrounding environment space and the habit of staff, selecting a bolt head force-exerting mode or a horizontal lever force-exerting mode;

4. The pull Ma Dinggan is rotated to move downwards, and after the ejector rod buffer head 14 below the pull Ma Dinggan 1 is contacted with the top surface of the central membrane column, the pull Ma Dinggan is rotated continuously until the sealing sleeve is separated from the movement.

When the sealing sleeve is in too tight contact with the central membrane column, one person cannot rotate and unload the sealing sleeve, and can apply a bolt head force application mode or a horizontal lever force application mode respectively, and simultaneously apply force to complete the sealing sleeve dismounting work.

In the description of the present utility model, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", etc. refer to the orientation or positional relationship based on that shown in the drawings, and are merely for the purpose of describing the present utility model and do not require that the present utility model must be constructed or operated in a specific orientation, and thus should not be construed as limiting the present utility model. "connected" in the present utility model should be interpreted broadly, for example, as a connection, a detachable connection, a direct connection, or an indirect connection via an intermediate member, and the specific meaning of the above terms will be understood to those skilled in the art.

The foregoing has been described as a preferred mode of operation of the present utility model, and a specific mode of operation has been described for purposes of providing a better understanding of the concepts of the present utility model. It will be apparent to those skilled in the art that modifications and equivalents may be made in accordance with the principles of the utility model, and such modifications and equivalents are considered to fall within the scope of the utility model.

Claims (7)

1. The special dismounting tool for the DTRO sealing sleeve comprises a pull Ma Xuanbing (5), a pull Ma Dinggan (1) vertically arranged in the middle of the pull Ma Xuanbing (5), a first pull Ma Ceban (3) and a second pull Ma Ceban (6) which are arranged below the pull Ma Xuanbing (5), and the special dismounting tool is characterized by further comprising a positioning ring (4) sleeved outside the first pull Ma Ceban (3) and the second pull Ma Ceban (6), wherein the pull Ma Xuanbing (5) comprises a top plate (51) and a bottom plate (53) which are the same in diameter, a plurality of connecting pieces (52) are connected between the top plate (51) and the bottom plate (53), top plate threaded holes (54) are formed in the middle of the top plate (51), bottom plate threaded holes (55) are formed in the middle of the bottom plate (53), two groups of hinging pieces (56) are symmetrically arranged on the bottom plate (53), and through first hinging holes (57) are formed in the side surfaces of the hinging pieces (56).

The pull Ma Dinggan (1) comprises a bolt rod (12), the top end of the bolt rod (12) is connected with a bolt head (11), a lever fixing plate (13) is arranged at the middle upper part of the bolt rod (12), a lever connecting hole (15) is formed in the middle of the lever fixing plate (13), a horizontal lever (7) is arranged in the lever connecting hole (15), threads are formed at the middle lower end of the bolt rod (12), and the bolt rod (12) is in spiral fit with a top plate (51) and a bottom plate (53);

The structure of first drawing Ma Ceban (3) and second drawing Ma Ceban (6) is the same, second drawing Ma Ceban (6) is including connecting plate (61) and joint meniscus (64), joint meniscus (64) set up perpendicularly in connecting plate (61) bottom, connecting plate (61) top sets up hinge tongue (62), hinge tongue (62) side sets up second hinge hole (63), hinge (56) and hinge tongue (62) are through round pin axle (2) cooperation constitution hinge assembly.

2. The special dismounting tool for the DTRO sealing sleeve according to claim 1 is characterized in that a sleeve is arranged between the top plate (51) and the bottom plate (53), the sleeve is coaxial with the top plate (51), the sleeve is equal to the distance between the top plate (51) and the bottom plate (53), a through threaded hole is formed in the middle of the sleeve, and the threaded hole in the middle of the sleeve, the threaded hole (54) of the top plate, the threaded hole (55) of the bottom plate and the bolt rod (12) are in threaded fit.

3. The special dismounting tool for the DTRO sealing sleeve as set forth in claim 1, wherein the bottom of the bolt rod (12) is provided with a push rod buffer head (14).

4. The special dismounting tool for the DTRO sealing sleeve according to claim 1 is characterized in that the horizontal lever (7) comprises a rod piece (72), a fixing ball (71) fixed at one end of the rod piece (72) and a connecting ball (73) connected at the other end of the rod piece (72) through threads.

5. The special extracting tool for the DTRO sealing sleeve of claim 1, wherein the two ends of the clamping meniscus (64) are provided with stepped sockets, the clamping meniscus (64) is matched with the clamping meniscus below the first pull Ma Ceban (3) to form a clamping circular ring, the diameter of the inner circle of the clamping circular ring is smaller than the diameters of the top plate (51) and the bottom plate (53) and is larger than the outer diameter of the sealing sleeve groove, and the outer diameter of the clamping circular ring is larger than the inner diameter of the positioning ring (4).

6. The special dismounting tool for the DTRO sealing sleeve of claim 5, wherein magnets (65) are arranged on the end faces of stepped sockets at two ends of the clamping meniscus (64).

7. The special dismounting tool for the DTRO sealing sleeve according to claim 1 is characterized in that a rubber pad is arranged on the side face of the inner ring of the positioning ring (4).